‏ Deuteronomy 23:13

Deu 23:12-13

The camp of war was also not to be defiled with the dirt of excrements. Outside the camp there was to be a space or place (יד, as in Num 2:17) for the necessities of nature, and among their implements they were to have a spade, with which they were to dig when they sat down, and then cover it up again. יתד, generally a plug, here a tool for sticking in, i.e., for digging into the ground.
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